{1}![]() | {2}![]() | {3}![]() | {1,2}![]() {1,3} (George Sicherman) | ![]() {1,4} | ![]() {2,3} | ![]() {2,4} | ![]() {2,5} (George Sicherman) | ![]() {3,4} (unique) | ![]() {3,5} | ![]() {3,6} | ![]() {3,7} (unique) | ![]() {3,8} (George Sicherman) | ![]() {1,2,3} | ![]() {1,2,4} | ![]() {1,2,5} (George Sicherman) | ![]() {1,3,4} | ![]() {1,3,5} | ![]() {1,3,6} (George Sicherman) | ![]() {1,3,7} (George Sicherman) | ![]() {1,3,8} (George Sicherman) | ![]() {2,3,4} | ![]() {2,3,5} (George Sicherman) | ![]() {2,3,6} | ![]() {2,3,7} | ![]() {2,3,8} (George Sicherman) | ![]() {2,4,5} | ![]() {2,4,6} | ![]() {3,4,5} (George Sicherman) | ![]() {3,4,6} (George Sicherman) | ![]() {3,4,7} (George Sicherman) | ![]() {3,4,8} | ![]() {3,5,6} (unique) | ![]() |